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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is an absorption spectrum?
💡 Hint: Think about what happens to light when it meets an atom.
Question 2
Easy
Which elements exhibit Fraunhofer lines?
💡 Hint: Think about the sun and what elements can be found there.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What occurs when an atom absorbs a photon?
💡 Hint: Think about what it means for an electron to be 'excited'.
Question 2
True or False: The dark lines in an absorption spectrum indicate the energy that was emitted.
💡 Hint: Consider whether energy is absorbed or released during electron transitions.
Solve and get performance evaluation
Push your limits with challenges.
Question 1
Consider a hypothetical element that absorbs wavelengths of 450 nm, 500 nm, and 600 nm. If you were to see its absorption spectrum, which colors would be darkest?
💡 Hint: Think about what happens to the light when it encounters the element.
Question 2
Explain the importance of using absorption spectra in determining the composition of distant stars.
💡 Hint: Consider how distant observations rely on light gathered from those stars.
Challenge and get performance evaluation